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Finding the Fourth Proportional to 216,704.76, 325,010.94 and 83,540.76

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Solution

The fourth proportional to 216,704.76, 325,010.94 and 83,540.76 is: 125,293.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,704.76 : 325,010.94 = 83,540.76 : x
  2. Step 2: Convert to fraction form
    216,704.76/325,010.94 = 83,540.76/x
  3. Step 3: Cross multiply
    216,704.76x = 325,010.94 × 83,540.76
  4. Step 4: Simplify right side
    216,704.76x = 27,151,660,935.91
  5. Step 5: Solve for x
    x = 27,151,660,935.91/216,704.76
  6. Step 6: Final answer
    x = 125,293.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.